/* 
axios的二次封装
*/
import axios from 'axios'
import config from '../config'
import { ElMessage } from 'element-plus'
import router from './../router'

const TOKEN_INVALID = 'Token认证失败，请重新登录'
const NET_ERROR = '网络请求异常，请稍后重试'
    // 创建实例对象，添加全局配置
const service = axios.create({
    baseURL: config.baseApi,
    timeout: 8000
})


// 请求拦截
service.interceptors.request.use((req) => {
    const headers = req.headers;
    if (!headers.Authorization) headers.Authorization = 'yaoyao'
    return req;
})

// 响应拦截
service.interceptors.response.use((res) => {
    const { code, data, msg } = res.data;
    if (code == 200) {
        return data
    } else if (code === 40001) { // 登陆失效，重新登陆
        ElMessage.error(TOKEN_INVALID);
        setTimeout(() => {
            router.push('/login');
        }, 15000)
        return Promise.reject(TOKEN_INVALID);
    } else {
        ElMessage.error(msg || NET_ERROR)
        return Promise.reject(msg || NET_ERROR)
    }
})


// 请求的核心函数
function request(options) {
    options.method = options.method || 'get';
    if (options.method.toLowerCase() === 'get') {
        options.params = options.data;
    }

    if (config.env === 'prod') {
        service.defaults.baseURL = config.baseApi //只要是生产模式，一定得去掉线上地址，不能访问mock
    } else {
        service.defaults.baseURL = config.mock ? config.mockApi : config.baseApi
    }
    return service(options)
}

// 定义几个方法
['get', 'post', 'put', 'delete', 'patch'].forEach((item) => {
    request[item] = (url, data, options) => {
        return request({
            url,
            data,
            method: item,
            ...options
        })
    }
})

export default request;